L-Leucine,L-a-glutamyl-L-isoleucyl-L-seryl-L-leucyl-L-leucyl-L-lysyl-L-a-glutamyl-L-leucyl-L-asparaginyl-L-histidyl-L-prolyl-L-asparaginyl-L-isoleucyl-L-valyl-L-lysyl-
CAS No. 492999-61-8